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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 34 |
| 3 | 5257 |
| 4 | 7798591 |
| 5 | 108917015732 |
| 6 | 14221257369534380 |
| 7 | 17218452637947555486763 |
[2,34,5257,7798591,108917015732,14221257369534380, 17218452637947555486763] |